Policy Briefs
To support informed decision-making and maximize the societal impact of EU-funded research, DIAMOND produced a series of Policy Briefs. These concise, evidence-based documents translate the project’s scientific findings into clear, actionable insights for policymakers, industry stakeholders, and the broader research community.
Developed in collaboration with DIAMOND partners and grounded in rigorous research, each Policy Brief highlights key challenges, emerging opportunities, and recommendations relevant to accelerating the sustainable deployment of perovskite photovoltaics. While technically informed, the briefs are designed to be accessible to non-specialist audiences and aligned with European policy priorities.
In the spirit of openness and dissemination that guides DIAMOND, all Policy Briefs are made publicly available below. Explore them to understand how DIAMOND’s scientific advancements connect to real-world policy, innovation, and sustainability goals.
Accelerating the Commercialization of Perovskite Photovoltaics
Executive Summary: The DIAMOND project is helping unlock the full commercial potential of metal halide perovskite solar cells (PSCs) through advancements in materials design, device stability, and scalable module manufacturing. With record-high efficiencies, low fabrication costs, and the promise of lightweight, flexible form factors, PSCs represent a critical innovation for achieving the EU’s clean energy goals. However, further work is needed to close the gap between lab-scale performance and real-world deployment. This brief outlines the technical progress made under DIAMOND and the policy actions required to accelerate market readiness.
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Accelerating Circularity in Perovskite Photovoltaics: A Dual Strategy for a Sustainable Future
Executive Summary: As perovskite solar cells (PSCs) approach commercial readiness with demonstrated efficiencies above 26%, Europe must proactively implement a dual circular economy strategy to ensure sustainable deployment at the terawatt scale. This strategy must leverage the technology’s inherently low cradle-to-gate carbon footprint of approximately 170 kg CO₂eq/kWp, nearly a third of conventional silicon PV, while mitigating significant material challenges.
Life cycle assessment (LCA) data from the DIAMOND project confirms that glass components (85-90% of module mass) are the dominant environmental burden. At terawatt scale, deployment would require 117% of current annual global glass production, creating an unsustainable supply chain bottleneck. Furthermore, manufacturing requires critical materials like 18,000 tonnes of tin, 250,000 tonnes of natural graphite (16% of global production), and, in some configurations, materials like vanadium and tellurium, which face severe supply risks.
This brief outlines a dual strategy: 1) Upstream material reduction by prioritizing R&D on ultra-high efficiency tandem cells, and 2) Downstream material recovery through a robust end-of-life (EoL) framework focused on high-value glass substrate reuse. This approach is not only an environmental necessity but also an economic imperative; it directly addresses the primary manufacturing cost driver—glass substrates—enabling a highly competitive minimum sustainable price (MSP) of 0.34 €/Wp and securing Europe’s leadership in next-generation solar technology.
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Setting Reliability Standards for Next-Gen PV Technologies
Executive Summary: The DIAMOND project is advancing the industrial readiness of perovskite photovoltaics (PSCs) by addressing one of the key barriers to commercialization: the lack of standardized reliability and stability assessment. Through targeted innovations in encapsulation techniques and long-term testing, DIAMOND is creating the groundwork for robust, scalable, and certifiable PSC modules. This brief outlines the recent technical progress in Work Packages 4 and 5 and the policy actions needed to establish a unified reliability framework for next-generation PV technologies in Europe.
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